Blade hub



FIG. 1 is a top perspective view of a blade hub showing our new design;

FIG. 2 is a top view of the blade hub of FIG. 1;

FIG. 3 is a bottom view of the blade hub of FIG. 1;

FIG. 4 is a left side view of the blade hub of FIG. 1;

FIG. 5 is a right side view of the blade hub of FIG. 1;

FIG. 6 is a front view of the blade hub of FIG. 1; and,

FIG. 7 is a rear view of the blade hub of FIG. 1.

The broken line disclosure in the drawings is included to show a portion of the blade hub that forms no part of the claimed design. 

CLAIM The ornamental design for a blade hub, as shown and described. 